CN103566764A - Reclaimed sewage recycling device and method for road cleaning sweeper - Google Patents
Reclaimed sewage recycling device and method for road cleaning sweeper Download PDFInfo
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- CN103566764A CN103566764A CN201310591881.4A CN201310591881A CN103566764A CN 103566764 A CN103566764 A CN 103566764A CN 201310591881 A CN201310591881 A CN 201310591881A CN 103566764 A CN103566764 A CN 103566764A
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- blowback
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- backwash
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- 239000010865 sewage Substances 0.000 title claims abstract description 71
- 238000004140 cleaning Methods 0.000 title claims abstract description 52
- 241001417527 Pempheridae Species 0.000 title claims abstract description 28
- 238000004064 recycling Methods 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 238000001914 filtration Methods 0.000 claims abstract description 44
- 239000012528 membrane Substances 0.000 claims abstract description 28
- 238000001471 micro-filtration Methods 0.000 claims abstract description 25
- 238000005245 sintering Methods 0.000 claims description 24
- 230000008929 regeneration Effects 0.000 claims description 18
- 238000011069 regeneration method Methods 0.000 claims description 18
- 238000011084 recovery Methods 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 6
- 230000000875 corresponding Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000005352 clarification Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000010926 purge Methods 0.000 abstract description 2
- 238000011045 prefiltration Methods 0.000 abstract 1
- 238000010408 sweeping Methods 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000005429 turbidity Methods 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 229940082150 Encore Drugs 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000000739 chaotic Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 231100000078 corrosive Toxicity 0.000 description 1
- 231100001010 corrosive Toxicity 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000011068 load Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting Effects 0.000 description 1
Abstract
The invention discloses a reclaimed sewage recycling device and method for a road cleaning sweeper. The reclaimed sewage recycling device comprises a filter, a sewage tank, a sewage pump, a clear water tank and an air compressor, wherein the filter adopts a sintered micro-filtration membrane tube as a filtering medium. The reclaimed sewage recycling method mainly comprises the steps of primary filtering, stable filtering, filtering ending and back purging, thorough cleaning after sweeping, and the like. The adopted filtering medium is the tube-type macromolecular sintered micro-filtration membrane which has the characteristics of high tensile strength, low density, high porosity and uniformity, so that high-concentration sewage can be treated without pre-filtration. Besides, the filtering medium is high in adaptability.
Description
Technical field
The present invention relates to the technical field of the dirty water decontamination handles, particularly a kind of recovery effluent cycle regeneration device and method of road cleaning sweeper.
Background technology
Road cleaning sweeper is that the water that utilizes high-pressure plunger type water pump to produce elevated pressures cleans ground by high pressure nozzle, then the clean machinery in a kind of road surface again sewage being reclaimed, its cleaning efficiency is high, cleaning effect good, this product is introduced to the market from just starting, just be subject to each urban sanitation user's welcome, annual sales volume is with more than 30% speed increase always.
But road cleaning sweeper operating cost is high, particularly add that water activity duration is short, water consumption large, sewage yield is large etc., and shortcoming has a strong impact on further promoting the use of of road cleaning sweeper, is confined at present the cleaning operation to the high major urban arterial highway of clean-up performance requirement.
A kind of method that reclaims effluent cycle regeneration is being found always by road cleaning sweeper manufacturing enterprise, to reach, extend the object that adds the water spacer time, reduces to give an encore and add water time, raising vehicle utilization rate, reduce user's operating cost, to expand the scope of application of road cleaning sweeper.
Granted publication number is that the Chinese patent of CN 201704664 discloses " sewage recycling road sweeper ", it adopts centrifugal separation to realize the Separation of Solid and Liquid that reclaims sewage, but the filtering accuracy of centrifugal separation is difficult to reach below 10 microns, although substantially can meet the water inlet required precision of cleaning sweeper high-pressure plunger type water pump, but due to after centrifugation to go out water chaotic degree very high, when muddy water is ejected into ground, caused secondary pollution, made cleaning effect extremely undesirable.
Application publication number is that the Chinese patent of CN 102311159 A discloses " filter assemblies, filter and vehicle ", it adopts filtering accuracy is 0.01-0.03 micron ultrafiltration diaphragm filtered and recycled sewage, although water quality is limpid, but there is following fatal scarce limit: 1) milipore filter natural-dehydration is dry will cause the avalanche of fenestra, thereby have a strong impact on permeability and the mechanical strength of film, therefore this milipore filter must immerse in protection liquid and seals preservation during off working state, thereby has increased greatly the maintenance work amount of off working state; 2) because the recovery settlement of sewage time is short, so concentration of wastewater is large, and turbidity is high, in order to prevent that milipore filter surface from producing filter cake, adopt the method for aeration to prevent that sewage particulate is at film surface deposition, so air consumption is large, and air pump live load is large; 3) milipore filter requires highly to water inlet, and Wastewater particle particle diameter is less than 50 microns, so before ultrafiltration, also needs to increase by one pre-filtering; 4) when concentration of wastewater is excessive, water yield sharply reduces, and therefore has a strong impact on the activity duration of road cleaning sweeper.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of recovery effluent cycle regeneration device and method that can process high-concentration sewage and the reusable road cleaning sweeper of filter medium strong adaptability without pre-filtering.
For solving the problems of the technologies described above, technical solution of the present invention is:
A recovery effluent cycle regeneration device for cleaning sweeper, comprises cleaner, foul water tank, sewage pump, filtered water tank and air compressor; Chimney filter connecting plate is installed in the housing of this cleaner, on this chimney filter connecting plate, is installed with some sintering microfiltration membranes pipes, and this chimney filter connecting plate is separated into sewage intake antrum and water outlet and blowback by housing inner chamber and washes two, chamber chamber; The chamber wall of described sewage intake antrum is provided with raw water inlet and sewage draining exit; The chamber wall that chamber is washed in described water outlet and blowback is provided with the Graceful mouth of a river and air inlet is washed in blowback; Each opening part is provided with corresponding valve; This raw water inlet and sewage draining exit are communicated with foul water tank by pipeline respectively; This Graceful mouth of a river is communicated with filtered water tank by pipeline; This blowback is washed air inlet and is communicated with air compressor by pipeline.
Described blowback is washed air inlet and further by pipeline, is communicated with filtered water tank, and backwash water pump and backwash valve are set on pipeline between the two.
Between the outlet conduit of described sewage pump and inlet pipeline, be provided with the shunt conduit with by-pass valve.
Between described sewage draining exit and foul water tank, be provided with gravitational settling case.
Described blowback is washed between air inlet and air compressor and is provided with compressed air cylinder.
Described sintering microfiltration membranes pipe is for to form with the Powdered sintering of plastics of super high molecular weight, and plastic material is generally but is not limited to PE/PA sintered membrane.
Described cleaner is provided with two or more, and each cleaner shares a set of other equipment.
All valves are opened or are closed by cylinder or the hydraulic oil cylinder driving of solenoid control.
Cleaning sweeper reclaims a reuse of wastewater method, uses said apparatus, comprises the steps:
(1) the inceptive filtering stage: when starting clean filtration, open sewage pump, open by-pass valve simultaneously, reduce former water flow of inlet water;
(2) stablize filtration stage: after effluent quality clarification, and filtering changes in flow rate is when mild, closes by-pass valve, and cleaner enters stable filtration stage;
(3) filter termination and blowback and wash the stage: the pressure reduction of washing between chamber when sewage intake antrum, water outlet and blowback sharply increases, when water flow sharply reduces, close former water inlet valve, Graceful penstock, open passage valve and sewage draining valve, sewage in sewage intake antrum is clean by being put, the inner chamber of sintering microfiltration membranes pipe is while being also full of filtering water, open immediately blowback valve, realize air water associating blowback and wash;
(4) be returned to step (2), and so circulation repeatedly, finishes until work as time cleaning operation;
(5) after cleaning work, knock off and thoroughly clean: after cleaning operation finishes, first close sewage pump, then close inlet valve, Graceful penstock, open passage valve and sewage draining valve, open backwash valve; Then first open the backwash of backwash water pump, after backwash, close backwash valve, then open blowback valve, carry out air water associating blowback and wash, so repeatedly.
The time in described inceptive filtering stage is for more than starting in filtering and starting to reach to effluent quality turbidity when 1NTU is follow-up to renew filter 23 minute.
In the described inceptive filtering stage, water-in and water-out pressure reduction should be controlled within the scope of 0.1～0.5bar.
When described stable filtration stage and filtration stop, cleaner should be no more than 2.5bar into and out of water cavity pressure reduction maximum differential pressure.
The blowback of described step (3) is washed the compressed air pressure in stage and is not less than 4bar.
In described step (5), the pressure of washing is greater than 0.2bar, and washing flow is not less than 1.5 times of specified product discharge; Compressed air pressure is not less than 4bar.
Adopt after such scheme, the filter medium adopting due to the present invention is tubular type sinterable polymer microfiltration membranes, it is large that it has tensile strength, density is low, high and the uniform feature of porosity, therefore the present invention has following characteristics: 1) circulation of unit filter area is large, takies space, compartment little, lightweight; 2) filtering accuracy is high, and effluent quality is limpid, and water turbidity degree is less than 1NTU, can reach the water inlet requirement that meets high-pressure plunger type water pump completely, and can not produce secondary pollution to operation road surface; 3) do not need pre-filtering, only need of short duration simple precipitation to filter, thereby make equipment simple, simplify procedures; 4) because tubular type sinterable polymer microfiltration membranes mainly relies on bridge formation filter type, can process the sewage of high concentration, just, along with the difference of concentration, the blowback time interval changes to some extent; 5) filter medium can be reused, and it is simple, easy that regeneration is washed in blowback, and after regeneration, filtering traffic decay is little; 6) adaptability that contains different solid particulate matter turbid solutions is eager to excel, can resistance to strong acid, highly basic, severe corrosive and general oxidizing substance, powerful oxidation corrosion resistance not just; 7) because filter medium tensile strength is up to 4Mpa, even if occur that once in a while maloperation can not cause macrolesion to filter medium yet, affects service life; 6) whole processing procedure all can realize automation by electronic control cylinder or oil cylinder and controls, simple to operate, reliable, realizes driver " foolproof " key operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of device of the present invention;
Fig. 2 is the process chart of the method for the invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Disclosed is a kind of recovery effluent cycle regeneration device of road cleaning sweeper, as shown in Figure 1, is preferred embodiment of the present invention.Described device comprises cleaner 1, foul water tank 8, sewage pump 3, filtered water tank 4 and air compressor 5, can further include compressed air cylinder 6, backwash water pump 7 or gravitational settling case 9.Wherein:
Described cleaner 1 is for take the filter that sintering microfiltration membranes pipe 14 is filter medium, this sintering microfiltration membranes pipe 14 is for to form with the Powdered sintering of plastics of super high molecular weight, it can be generally PE/PA sintered membrane, its filtering accuracy is generally 0.3～1 micron, its outer/inner footpath of film pipe is 38/20mm or 31/20mm, and length can customize arbitrarily according to bulk.
This cleaner 1 comprises housing, and this housing can be comprised of the cylindrical shell 11 and the cover plate 12 that mutually cover together, and chimney filter connecting plate 13 is installed in this housing, is installed with some described sintering microfiltration membranes pipes 14 on this chimney filter connecting plate 13.This chimney filter connecting plate 13 is separated into sewage intake antrum 15 and water outlet and blowback by the inner space of described housing and washes 16 two, chamber chamber, and described sintering microfiltration membranes pipe 14 is positioned at sewage intake antrum 15.The chamber wall of described sewage intake antrum 15 is provided with raw water inlet 151, sewage draining exit 152 and blow vent 153.The chamber wall that chamber 16 is washed in described water outlet and blowback is provided with the Graceful mouth of a river 161 and air inlet 162 is washed in blowback.
Described raw water inlet 151 by pipeline communication, arranges sewage pump 3 and inlet valve A with foul water tank 8 on the pipeline between foul water tank 8 and raw water inlet 151; Preferably, between the outlet conduit of this sewage pump 3 and inlet pipeline, can also be provided with the shunt conduit with by-pass valve G.
Described sewage draining exit 152 is also communicated with foul water tank 8 by pipeline, and pipeline is between the two provided with sewage draining valve B; Preferably, between this sewage draining exit 152 and foul water tank 8, be also provided with gravitational settling case 9, this gravitational settling case 9 can make grains of sand separation by the precipitation of short time of greater particle size in sewage, thereby removes the larger grains of sand of particle diameter in foul water tank 8, reduces the wearing and tearing of sewage pump.
The described Graceful mouth of a river 161 is communicated with filtered water tank 4 by pipeline, and pipeline is between the two provided with Graceful penstock C.
Described blowback is washed air inlet 162 and is communicated with air compressor 5 by pipeline, is provided with blowback valve D on pipeline between the two; Preferably, this blowback is washed between air inlet 162 and air compressor 5 and is also provided with compressed air cylinder 6.The setting of this compressed air cylinder 6 is in order to increase the pressure of air, to can reduce the power of air compressor, reduces energy consumption.
Described blowback is washed air inlet 162 and can also further by pipeline, be communicated with filtered water tank 4, and backwash water pump 7 and backwash valve F are set on pipeline between the two.The object of this structure setting is washed for realizing air water associating blowback, to reach better anti-cleaning performance.
Described blow vent 153 is provided with a passage valve E, and this blow vent 153 can further connect described foul water tank 8 or gravitational settling case 9 by pipeline.The setting of this blow vent 153 is in order to facilitate cleaner 1 to pass into air when the blowdown, to prevent from forming negative pressure in tank, blowdown is had some setbacks, so these blow vent 153 inessential settings.
The course of work of this device is: the sewage in described foul water tank 8 enters sewage intake antrum 15 by sewage pump 3, by sintering microfiltration membranes pipe 14, filters, and filtering water enters filtered water tank 4 by Graceful penstock C pipe, completes the process that sewage is filtered; The filter cake that forms when sintering microfiltration membranes pipe 14 outer surfaces is blocked up while needing blowback to wash, and first by backwash water pump 7, pumps into clear water and by backwash valve F, enters water outlet and blowback and wash that chamber 16 is interior carries out backwash to sintering microfiltration membranes pipe 14; After finishing, backwash closes backwash valve F, open blowback valve D, compressed air in compressed air cylinder 6 enters clear water by blowback valve D and chamber 16 is washed in blowback, because sintering microfiltration membranes pipe 14 has clear water in it after backwash, therefore compressed air produces instantaneous sharply expansion by the clear water that promotes sintering microfiltration membranes pipe 14 inner chambers, the instantaneous increase of micropore size of film pipe, the filter cake of sintering microfiltration membranes pipe 14 outer surfaces is come off, solid particle in film tube wall also together blows out, thereby make film be in control blowback, washes regeneration.
In order to control blowback, wash the time, be provided with sewage intake antrum Pressure gauge a and water outlet and blowback and wash cavity pressure table b, with the pressure that sewage intake antrum 15 and water outlet and blowback are washed in chamber 16, monitor.
In order to make blowback air-flow more even, make blowback better effects if, can wash and in chamber 16, be provided with at least one air distribution plate in water outlet and blowback, this air distribution plate and described chimney filter connecting plate 13 intervals arrange (the present embodiment is provided with two air distribution plates 17,18), and on this air distribution plate 17,18, have some qi-emitting holes, each qi-emitting hole is corresponding one by one with each sintering microfiltration membranes pipe 14 on chimney filter connecting plate 13.Because each qi-emitting hole on this air distribution plate is over against a sintering microfiltration membranes pipe, thereby can play guiding function to counter purging gas stream, solve blowback and washed inhomogeneous, blowback and wash halfway phenomenon, blowback is washed and is no longer had dead angle.In addition, can also wash air inlet 162 places in described blowback a gas distribution pipe 19 is installed, this gas distribution pipe 19 extend into the inside that chamber 16 is washed in described water outlet and blowback, and this gas distribution pipe 19 stretches in water outlet and blowback and wash the radially tube wall of 16 inside, chamber and have some radial holes, and axial inner ends portion is plugging structure.This gas distribution pipe 19 make to enter water outlet and blowback wash air-flow in chamber 16 from longitudinally change into surrounding laterally, thereby can make air-flow further evenly announce, blowback is washed more even.
Further, described cleaner can arrange two or more, and is total to a set of sewage pump, backwash water pump and compressed air cylinder.Embodiment, is just provided with two cleaners as shown in Figure 1, and, in cleaner 1 and cleaner 2(figure, each valve of cleaner 2 and the relative cleaner 1 of manometric corresponding label are adding 2 thereafter).When a cleaner blowback is washed, other cleaner can work like this, and controller can be controlled respectively each cleaner and regularly intersect blowback and wash.During the advantage of this set, be the volume that can reduce compressed air cylinder, also reduced the power consumption of air compressor simultaneously; And can reach without shutting down and just can carry out the effect that blowback is washed, can increase work efficiency.
In addition, above-mentioned all valves all can be opened or be closed by cylinder or the hydraulic oil cylinder driving of solenoid control, and further, magnetic valve can be realized automatically and being controlled by suitable control program by controller, and operator can realize operating in a key.
The present invention has also disclosed a kind of road cleaning sweeper and has reclaimed reuse of wastewater method, and as shown in Figure 2, it comprises the steps: in its technological process
1) the inceptive filtering stage: new pipe is housed or the cleaner 1 of the sintering microfiltration membranes pipe 14 that cleaned up when starting clean filtration, open sewage pump 3, open by-pass valve G simultaneously, reduce former water flow of inlet water.The time General Requirements in this inceptive filtering stage is controlled at more than filtering starts while starting to reach to effluent quality turbidity that 1NTU is follow-up to renew filter 23 minute, also can control total inceptive filtering time to be greater than 4 minutes.And in this inceptive filtering stage, water-in and water-out pressure reduction generally should be controlled within the scope of 0.1～0.5bar.
2) stablize filtration stage: after effluent quality clarification, and filtering changes in flow rate is when mild, closes by-pass valve G, and cleaner 1 enters stable filtration stage.When this stable filtration stage and filtration stop, cleaner should be no more than 2.5bar into and out of water cavity pressure reduction maximum differential pressure.
3) filter to stop and the stage is washed in blowback: when sewage intake antrum 15, water outlet and blowback, washing pressure reduction between chamber 16 sharply increases (by sewage intake antrum Pressure gauge a and water outlet and blowback, washing cavity pressure table b monitors), when water flow sharply reduces, close former water inlet valve A, Graceful penstock C, open passage valve E and sewage draining valve B, sewage in sewage intake antrum 15 is clean by being put, the inner chamber of sintering microfiltration membranes pipe 14 is while being also full of filtering water, open immediately blowback valve D, realize air water associating blowback and wash.The compressed air pressure that the stage is washed in this blowback is not less than 4bar conventionally.
4) be returned to step (2), and so circulation repeatedly, until working as time cleaning operation, finishes by sweeper;
5) after cleaning work, knock off and thoroughly clean: after cleaning operation finishes, first close sewage pump 3, then close inlet valve A, Graceful penstock C, open passage valve E and sewage draining valve B, open backwash valve F; Then first open 7 backwashes of backwash water pump, close backwash valve F after backwash, then open blowback valve D, carry out air water associating blowback and wash, so repeatedly, blowback is washed more than three times continuously.In this stage, the pressure of washing generally need be greater than 0.2bar, and washing flow need be not less than 1.5 times of specified product discharge; Compressed air pressure is not less than 4bar conventionally.
The above, be only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus variation or the modification in every case according to claim of the present invention and description, done, within all should belonging to the scope that patent of the present invention contains.
Claims (10)
1. a recovery effluent cycle regeneration device for road cleaning sweeper, is characterized in that: comprise cleaner, foul water tank, sewage pump, filtered water tank and air compressor; Chimney filter connecting plate is installed in the housing of this cleaner, on this chimney filter connecting plate, is installed with some sintering microfiltration membranes pipes, and this chimney filter connecting plate is separated into sewage intake antrum and water outlet and blowback by housing inner chamber and washes two, chamber chamber; The chamber wall of described sewage intake antrum is provided with raw water inlet and sewage draining exit; The chamber wall that chamber is washed in described water outlet and blowback is provided with the Graceful mouth of a river and air inlet is washed in blowback; Each opening part is provided with corresponding valve; This raw water inlet and sewage draining exit are communicated with foul water tank by pipeline respectively; This Graceful mouth of a river is communicated with filtered water tank by pipeline; This blowback is washed air inlet and is communicated with air compressor by pipeline.
2. the recovery effluent cycle regeneration device of a kind of road cleaning sweeper according to claim 1, it is characterized in that: described blowback is washed air inlet and further by pipeline, is communicated with filtered water tank, backwash water pump and backwash valve are set on pipeline between the two.
3. the recovery effluent cycle regeneration device of a kind of road cleaning sweeper according to claim 1, is characterized in that: between the outlet conduit of described sewage pump and inlet pipeline, be provided with the shunt conduit with by-pass valve.
4. the recovery effluent cycle regeneration device of a kind of road cleaning sweeper according to claim 1, is characterized in that: between described sewage draining exit and foul water tank, be provided with gravitational settling case.
5. the recovery effluent cycle regeneration device of a kind of road according to claim 1 cleaning sweeper, is characterized in that: described blowback is washed between air inlet and air compressor and is provided with compressed air cylinder.
6. the recovery effluent cycle regeneration device of a kind of road cleaning sweeper according to claim 1, is characterized in that: described sintering microfiltration membranes pipe is for to form with the Powdered sintering of plastics of super high molecular weight.
7. the recovery effluent cycle regeneration device of a kind of road according to claim 1 cleaning sweeper, is characterized in that: described sintering microfiltration membranes pipe is PE/PA sintered membrane.
8. according to the recovery effluent cycle regeneration device of a kind of road cleaning sweeper one of claim 1-7 Suo Shu, it is characterized in that: described cleaner is provided with two or more, and each cleaner shares a set of other equipment.
9. according to the recovery effluent cycle regeneration device of a kind of road cleaning sweeper one of claim 1-7 Suo Shu, it is characterized in that: all valves are opened or closed by cylinder or the hydraulic oil cylinder driving of solenoid control.
10. road cleaning sweeper reclaims a reuse of wastewater method, and right to use requires the described device of one of 1-9, it is characterized in that comprising the steps:
(1) the inceptive filtering stage: when starting clean filtration, open sewage pump, open by-pass valve simultaneously, reduce former water flow of inlet water;
(2) stablize filtration stage: after effluent quality clarification, and filtering changes in flow rate is when mild, closes by-pass valve, and cleaner enters stable filtration stage;
(3) filter termination and blowback and wash the stage: the pressure reduction of washing between chamber when sewage intake antrum, water outlet and blowback sharply increases, when water flow sharply reduces, close former water inlet valve, Graceful penstock, open passage valve and sewage draining valve, sewage in sewage intake antrum is clean by being put, the inner chamber of sintering microfiltration membranes pipe is while being also full of filtering water, open immediately blowback valve, realize air water associating blowback and wash;
(4) be returned to step (2), and so circulation repeatedly, finishes until work as time cleaning operation;
(5) after cleaning work, knock off and thoroughly clean: after cleaning operation finishes, first close sewage pump, then close inlet valve, Graceful penstock, open passage valve and sewage draining valve, open backwash valve; Then first open the backwash of backwash water pump, after backwash, close backwash valve, then open blowback valve, carry out air water associating blowback and wash, so repeatedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591881.4A CN103566764B (en) | 2013-11-22 | 2013-11-22 | A kind of recovery effluent cycle regeneration device and method of road cleaning sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591881.4A CN103566764B (en) | 2013-11-22 | 2013-11-22 | A kind of recovery effluent cycle regeneration device and method of road cleaning sweeper |
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| Publication Number | Publication Date |
|---|---|
| CN103566764A true CN103566764A (en) | 2014-02-12 |
| CN103566764B CN103566764B (en) | 2016-01-13 |
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|---|---|---|---|
| CN201310591881.4A Expired - Fee Related CN103566764B (en) | 2013-11-22 | 2013-11-22 | A kind of recovery effluent cycle regeneration device and method of road cleaning sweeper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670373A (en) * | 2017-11-20 | 2018-02-09 | 唐山学院 | Changeable operation and the filter and control method of automatic back-washing |
| JP6877656B1 (en) * | 2020-03-24 | 2021-05-26 | 三菱電機株式会社 | Water treatment system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311159B (en) * | 2011-09-30 | 2013-05-08 | 长沙中联重科环卫机械有限公司 | Filter component, filter apparatus and vehicle |
| CN202343102U (en) * | 2011-12-05 | 2012-07-25 | 深圳恒通源水处理科技有限公司 | Sintering pipe type ultrafiltration membrane water treatment device |
| CN203610051U (en) * | 2013-11-22 | 2014-05-28 | 厦门理工学院 | Sewage recycle and reuse device for road cleaning and sweeping machine |
-
2013
- 2013-11-22 CN CN201310591881.4A patent/CN103566764B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670373A (en) * | 2017-11-20 | 2018-02-09 | 唐山学院 | Changeable operation and the filter and control method of automatic back-washing |
| JP6877656B1 (en) * | 2020-03-24 | 2021-05-26 | 三菱電機株式会社 | Water treatment system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103566764B (en) | 2016-01-13 |
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